Circular saw



FIG. 1 is a front elevational view thereof;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a first perspective view of a circular saw showing our new design;

FIG. 8 is a second perspective view thereof;

FIG. 9 is an enlarged view of the portion marked as “9” in FIG. 7; and,

FIG. 10 is an enlarged view of the portion marked as “10” in FIG. 8.

The evenly broken lines in the drawings illustrate portions of the article that form no part of the claim.

The dot-dash lines shown from FIGS. 7, 8, 9 and 10 represent the designation of enlargement views and form no part of the claimed design. 

CLAIM The ornamental design for a circular saw, as shown and described. 